Markets
8.1
S&P 500 gains 4.10% to $657.90 on moderate volume
The S&P 500 index advanced 4.10% to $657.90 on April 1, 2026, with trading volume at approximately 41.8 million shares. The magnitude of this single-day gain suggests significant market-moving events occurred, though the source data does not specify underlying catalysts or broader market context.